在板子起来之后,先运行了一个其他的程序比如sample_virvi2vo,然后停止掉这个程序。再运行sample_uvcout这个程序,在电脑上看到的uvc图像颜色不对的??这是什么情况???有大神知道不??
Q
quanzhi111 发布的最佳帖子
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v821的板子在运行了uvc出现变色问题
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v821的udc 出错,dma初始化失败,gadget切换功能有问题
root@(none):/# dmesg | grep udc [ 0.100478] sunxi_usb_udc 44100000.udc-controller: sunxi:sunxi_usb_udc UDC Inner DMA Feature - wordaddr: -1, extend: disabled [ 0.100950] sunxi:sunxi_usb_udc:[INFO]: write to rise data: 0x0 [ 0.101028] sunxi:sunxi_usb_udc:[INFO]: write to trancevie data: 0xb [ 0.101036] sunxi:sunxi_usb_udc:[INFO]: write to preemphasis data: 0x2 [ 0.101049] sunxi:sunxi_usb_udc:[INFO]: write to resistance data: 0x8 [ 0.101123] sunxi_usb_udc 44100000.udc-controller: 44100000.udc-controller supply udc not found, using dummy regulator [ 5.507731] udc 44100000.udc-controller: failed to start g1: -19 root@(none):/#
quanzhi111 发布的最新帖子
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回复: v821的板子在运行了uvc出现变色问题
@quanzhi111
这是运行第一个程序看到的vi信息
input => hoff: 0, voff: 0, w: 1920, h: 1088, fmt: BGGR10
output => width: 1920, height: 1080, fmt: NV21这是运行uvc程序查看的vi信息
input => hoff: 0, voff: 0, w: 1920, h: 1088, fmt: RGGB10
output => width: 1280, height: 720, fmt: LBC_2.5X感觉是fmt这方面是否需要重新设置?
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v821的板子在运行了uvc出现变色问题
在板子起来之后,先运行了一个其他的程序比如sample_virvi2vo,然后停止掉这个程序。再运行sample_uvcout这个程序,在电脑上看到的uvc图像颜色不对的??这是什么情况???有大神知道不??
-
v821的udc 出错,dma初始化失败,gadget切换功能有问题
root@(none):/# dmesg | grep udc [ 0.100478] sunxi_usb_udc 44100000.udc-controller: sunxi:sunxi_usb_udc UDC Inner DMA Feature - wordaddr: -1, extend: disabled [ 0.100950] sunxi:sunxi_usb_udc:[INFO]: write to rise data: 0x0 [ 0.101028] sunxi:sunxi_usb_udc:[INFO]: write to trancevie data: 0xb [ 0.101036] sunxi:sunxi_usb_udc:[INFO]: write to preemphasis data: 0x2 [ 0.101049] sunxi:sunxi_usb_udc:[INFO]: write to resistance data: 0x8 [ 0.101123] sunxi_usb_udc 44100000.udc-controller: 44100000.udc-controller supply udc not found, using dummy regulator [ 5.507731] udc 44100000.udc-controller: failed to start g1: -19 root@(none):/#